SN54LS161AJ SN54LS161AJ is a synchronous 4-bit counter from Texas Instruments, part of the 54LS family. It features bipolar input and LS technology.
Mfr Part #:

SN54LS161AJ

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
SN54LS161AJ is a synchronous 4-bit counter from Texas Instruments, part of the 54LS family. It features bipolar input and LS technology.
Total Stock: 3,452 pcs
$ Price Range: $9.88

SN54LS161AJ Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,118 pcs
2118 pcs On Request 1 On Request On Request 24+ On Request On Request
Non-Authorised Inventory information
1,334 pcs
1334 pcs On Request 1 On Request On Request On Request On Request On Request

SN54LS161AJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Count Rate
Direction
Function
Input Type
Logic Type
Mounting Type
Number of Bits per Element
Number of Elements
Operating Temperature
Reset
Supplier Device Package
Timing
Trigger Type
Voltage

SN54LS161AJ Description

Short technical summary and product information.

The SN54LS161AJ is a synchronous 4-bit binary counter from Texas Instruments, designed for use in digital counting and frequency division applications. It belongs to the 54LS family, which offers low-power Schottky technology for reduced power consumption while maintaining high speed.

 

This device features a bipolar input type and is optimized for LS logic systems. The counter performs synchronous counting, meaning all outputs change simultaneously on the clock edge, ensuring reliable operation in timing-critical circuits.

 

As a 4-bit counter, it can count from 0 to 15 in binary. The SN54LS161AJ is suitable for a wide range of industrial and military-grade applications where robust performance and low power are required. The part is typically used in control systems, digital frequency dividers, and sequential logic circuits.

SN54LS161AJ Quick Information

Product Type: Synchronous Counter
Series: 54LS161A
Canonical Name: SN54LS161AJ Synchronous 4-Bit Counter
Subcategory: 4-bit Counter

SN54LS161AJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN54LS161AJ Estimated Pricing

Qty Low High
1+ $9.88 $9.88

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN54LS161AJ Features

  • Synchronous 4-bit binary counter
  • Internal look-ahead for fast counting
  • Carry output for n-bit cascading
  • Synchronously programmable load control
  • High speed with 10-50ns propagation delay

SN54LS161AJ Applications

  • Ideal for digital counting systems.
  • Used in frequency division circuits.
  • Suitable for low-power logic designs.
  • Works with bipolar input signals.

SN54LS161AJ FAQs

4 frequently asked questions generated from this part’s specifications.
What is the function of the SN54LS161AJ?

Counter.

How many bits does this counter have?

4 bits.

What technology family is this device?

LS.

What is the input type?

Bipolar.

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